It all began with the foundation of the Michelbacher Hütte by Graf Johannes zu Nassau-Idstein in 1652

1884
Continuation of the bsuiness by Adolph Samuel Passavant

1917
Continuation of the business by Wilhelm Passavant, son of the founder

1980
Renaming in Passavant-Werke AG

1999
The roots of Aqseptence Group can be tracked back to the takeover of the Passavant-Roediger Umwelttechnik GmbH

2003
Acquisition of the German company Noggerath (Leading specialist for water screening equipment, stainless steel, municipal & industry focus)

2004
Acquisition of the German company Intech (Leading specialist for energy optimi-zation solutions, municipal focus)

2005
Acquisition of the German company Geiger (Leading specialist for water intake equipment, power focus, screens)

Acquisition of the German company Roediger Vacuum (Leading specialist for waste water collection, real estate & industrial focus)

Acquisition of the US company Airvac (Leading specialist for waste water collection, real estate focus)

2006
Rebranding to Passavant-Geiger GmbH

2011
Acquisition of the filter division of the Italian company Diemme (Leading specialist for filter chamber presses, industrial focus)

2013
Acquisition of the US company Johnson Screens (Leading specialist for screens and water treatment equipment for industrial applications)

Johnson Screens South Africa and Lexington were sold simultaneously

Rebranding to Bilfinger Water Technologies GmbH

2016
Rebranding to Aqseptence Group GmbH

Aqseptence - Water Well Drive Points

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